Eaton Z48G28T03SS Hazardous Location Transformer - UL
Part Number: Z48G28T03SS
Quick Summary
Eaton Hazardous location encapsulated transformer is designed to safely step down 480 V to 208Y/120 V for critical equipment in Class I Division 2 environments. This compact, robust unit helps engineers mitigate ignition risks and downtime in hazardous areas while preserving reliability in power distribution. A common challenge is delivering compliant, easy-to-service power in cramped or outdoor-rated spaces. This model addresses that with a Grade 304 stainless steel enclosure, UL Listed certification, and a NEMA 3R rating for indoor-outdoor use. By pairing aluminum windings with a precise 3 kVA rating and -5% tap options, it enables scalable, maintenance-friendly installations. Secondary keywords: hazardous location transformer, Class I Division 2, indoor-outdoor transformer.
Product Information
Extended Description
Z48G28T03SS Eaton: Eaton Class 1 Division 2 Groups C and D, Hazardous Location Transformer, EPTZ, Three-phase, PV: 480V, Taps: 2 at -5% FCBN, SV: 208Y/120V, 115°C, 3 kVA, Al windings, Frame: 201H, Indoor-Outdoor.
Product Name
Eaton Hazardous location encapsulated transformer
Catalog Number
Z48G28T03SS
UPC
786680006418
Product Length/Depth
8.25 in
Product Height
13.81 in
Product Width
20.38 in
Product Weight
125 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Certifications
UL Listed
Catalog Notes
Grade 304 stainless steel enclosure
Type
Class 1 Division 2 Groups C and D, Hazardous Location Transformer
Coil material
Aluminum
Frequency rating
50/60 Hz
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Temperature rise
115 °C rise
Design
EPTZ
Enclosure
NEMA 3R
Frame
201H
Tap size
2 at -5% FCBN
Volt ampere rating
3 kVA
Weathershield
Indoor-Outdoor
Wiring connection
70A
Feature: Encapsulated EPTZ design for hazardous locations. Business Impact: Minimizes ignition sources and containment risk, enabling safer operation in explosive atmospheres. Application: Powering instrumentation in oil, gas, and chemical processing plants where enclosure integrity matters. Key keywords: hazardous location encapsulated transformer, Class I Division 2, EPTZ design. Feature: 3 kVA VA rating with 50/60 Hz operation. Business Impact: Delivers reliable power for controls and sensors without oversizing, reducing capital and energy costs. Application: Panel boards and distribution racks requiring compact, scalable transformers. Key keywords: 3 kVA transformer, three-phase transformer, 50/60 Hz. Feature: Primary 480 V to secondary 208Y/120 V with two -5% FCBN taps. Business Impact: Enables on-site voltage regulation and compatibility with standard control circuits, improving uptime and performance. Application: Control panels, instrumentation, and motor control centers in hazardous zones. Key keywords: 480 V to 208Y/120 V, voltage taps, -5% FCBN. Feature: Aluminum windings and 125 lb class build with Grade 304 stainless enclosure. Business Impact: Improves thermal performance, durability, and corrosion resistance, lowering maintenance cycles. Application: Indoor-outdoor installations exposed to humidity or corrosive environments. Key keywords: aluminum windings, Grade 304 stainless steel enclosure, NEMA 3R. Feature: UL Listed and Class 1 Division 2 compliance with rugged enclosure. Business Impact: Accelerates approval cycles, reduces commissioning risk, and supports safe integration in regulated facilities. Application: Hazardous locations requiring formal certification and protective housing. Key keywords: UL Listed, Class 1 Division 2, NEMA 3R enclosure.
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FAQs
For safe installation in Class I Division 2 environments, mount the unit in a weather-rated, corrosion-resistant enclosure (Grade 304 stainless) with proper clearance for cooling. Ensure connections comply with routing and sealing requirements, use appropriate mounting hardware, and follow local codes for hazardous area electrical work. The transformer is NEMA 3R rated for indoor-outdoor use and includes a -5% tap to fine-tune voltage on site.
Key specs include a 3 kVA rating, three-phase, 480 V primary, and 208Y/120 V secondary. Frequency rating is 50/60 Hz with two taps at -5% FCBN. Winding material is aluminum, and the enclosure is rated NEMA 3R. Wiring connection is rated at 70 A, making it suitable for rigid control panels and distributed power in hazardous zones.
Yes. The transformer features a Grade 304 stainless steel enclosure and a NEMA 3R rating, designed for indoor-outdoor use in hazardous locations. Its Class 1 Division 2, Groups C and D rating supports safe operation in flammable atmospheres while maintaining performance in exposed environments.
The Z48G28T03SS is UL Listed and designed for Class I Division 2 hazardous locations (Groups C and D). The enclosure and construction emphasize corrosion resistance and safety, aligning with rigorous industrial compliance requirements for hazardous-area power distribution.
The unit carries Eaton’s warranty of one year from installation or eighteen months from shipment, whichever occurs first. Routine maintenance focuses on insulation integrity, enclosure seals, and thermal performance. The aluminum windings and robust enclosure help minimize corrosion-related service events, while UL listed certification simplifies regulatory upkeep.